/* MZ WhatsApp Sticky - pages produit uniquement */
:root{
  --mz-wa-bg:#25D366;
  --mz-wa-bg2:#1ebe5c;
  --mz-wa-text:#fff;
  --mz-wa-shadow: 0 10px 30px rgba(0,0,0,.22);
  --mz-wa-radius: 999px;
}

.mz-wa{
  position: fixed;
  bottom: 18px;
  z-index: 999999;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px 12px 12px;
  background: var(--mz-wa-bg);
  color: var(--mz-wa-text);
  border-radius: var(--mz-wa-radius);
  box-shadow: var(--mz-wa-shadow);
  text-decoration: none;
  font: 700 14px/1.1 system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  transform: translateY(18px) scale(.98);
  opacity: 0;
  pointer-events: none;
  transition: transform .35s ease, opacity .35s ease, filter .2s ease;
  will-change: transform, opacity;
}

.mz-wa--right{ right: 16px; }
.mz-wa--left{ left: 16px; }

.mz-wa.is-visible{
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.mz-wa:hover{
  filter: brightness(1.02);
  background: var(--mz-wa-bg2);
  transform: translateY(-1px) scale(1.01);
}

.mz-wa__icon{
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255,255,255,.16);
  display: grid;
  place-items: center;
  position: relative;
  overflow: visible;
}

/* WhatsApp glyph (simple) */
.mz-wa__icon::before{
  content: "W";
  font: 800 16px/1 system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  color: #fff;
}

/* Pulse ring */
.mz-wa__icon::after{
  content:"";
  position:absolute;
  inset:-6px;
  border-radius: 999px;
  border: 2px solid rgba(255,255,255,.45);
  opacity: 0;
  transform: scale(.85);
  animation: mzWaPulse 1.9s ease-out infinite;
}

@keyframes mzWaPulse{
  0%{opacity:0; transform: scale(.85);}
  20%{opacity:.65;}
  60%{opacity:0; transform: scale(1.25);}
  100%{opacity:0; transform: scale(1.25);}
}

/* Petite animation "pop" à l'apparition */
.mz-wa.is-visible{
  animation: mzWaPop .45s ease-out both;
}
@keyframes mzWaPop{
  0%{ transform: translateY(18px) scale(.98); opacity:0;}
  70%{ transform: translateY(-2px) scale(1.02); opacity:1;}
  100%{ transform: translateY(0) scale(1); opacity:1;}
}

@media (max-width: 520px){
  .mz-wa{ padding: 11px 12px 11px 11px; gap: 8px; }
  .mz-wa__label{ font-size: 13px; }
}

@media (prefers-reduced-motion: reduce){
  .mz-wa, .mz-wa.is-visible{ animation: none !important; }
  .mz-wa__icon::after{ animation: none !important; }
}